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Finding the Fourth Proportional to 450,727.47, 621,805.41 and 269,348.22

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Solution

The fourth proportional to 450,727.47, 621,805.41 and 269,348.22 is: 371,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,727.47 : 621,805.41 = 269,348.22 : x
  2. Step 2: Convert to fraction form
    450,727.47/621,805.41 = 269,348.22/x
  3. Step 3: Cross multiply
    450,727.47x = 621,805.41 × 269,348.22
  4. Step 4: Simplify right side
    450,727.47x = 167,482,180,369.87
  5. Step 5: Solve for x
    x = 167,482,180,369.87/450,727.47
  6. Step 6: Final answer
    x = 371,581.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.